CA632431A - Vacuum pumps - Google Patents

Vacuum pumps

Info

Publication number
CA632431A
CA632431A CA632431A CA632431DA CA632431A CA 632431 A CA632431 A CA 632431A CA 632431 A CA632431 A CA 632431A CA 632431D A CA632431D A CA 632431DA CA 632431 A CA632431 A CA 632431A
Authority
CA
Canada
Prior art keywords
vacuum pumps
pumps
vacuum
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA632431A
Inventor
C. Jennings Irving
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA632431A publication Critical patent/CA632431A/en
Expired legal-status Critical Current

Links

CA632431A Vacuum pumps Expired CA632431A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA632431T

Publications (1)

Publication Number Publication Date
CA632431A true CA632431A (en) 1961-12-12

Family

ID=35888579

Family Applications (1)

Application Number Title Priority Date Filing Date
CA632431A Expired CA632431A (en) Vacuum pumps

Country Status (1)

Country Link
CA (1) CA632431A (en)

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